<div id="divImage" style="position: relative;">
  <div id="divImage2" style="position: relative;width:100%;height:100%">
    <img id="testingImage" style="position:absolute;top:0;left:0;width:100%;height:100%">
    <canvas id="overlayCanvas" style="position:absolute;top:0px;left:0px;width:100%;height:100%"></canvas>
  </div>
</div>


